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Set D3DFORMAT_OP_NOALPHABLEND soley based on D3D12_FORMAT_SUPPORT1_BLENDABLE #108

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Merged
vdwtanner merged 1 commit into from
Apr 9, 2026
Merged

Set D3DFORMAT_OP_NOALPHABLEND soley based on D3D12_FORMAT_SUPPORT1_BLENDABLE #108

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5 changes: 2 additions & 3 deletions src/9on12Adapter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -554,11 +554,10 @@ namespace D3D9on12
formatOperations |= __D3DFMTOP_RENDERTARGET;
}

// If the format supports render target but not blending, report NOALPHABLEND
// If the format is not blendable, report NOALPHABLEND
// so that CheckDeviceFormat with D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING
// correctly reflects hardware capability.
if ((formatOperations & __D3DFMTOP_RENDERTARGET) &&
!(dxgiFormatSupport.Support1 & D3D12_FORMAT_SUPPORT1_BLENDABLE))
if (!(dxgiFormatSupport.Support1 & D3D12_FORMAT_SUPPORT1_BLENDABLE))
{
formatOperations |= D3DFORMAT_OP_NOALPHABLEND;
}
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